DDoS（分布式拒绝服务）攻击是一种网络安全威胁，旨在通过大量请求耗尽服务器资源，使其无法正常响应合法用户的访问。高防服务器采取多种措施来有效应对这类攻击，以下是一些关键方法：备份网站：确保有备份网站或临时主页，以便在主服务器遭受攻击时切换，保持用户通知和服务可用性。 HTTP请求拦截：通过识别异常流量和攻击行为，拦截具有特定IP地址或User Agent字段的请...

文章 2022-05-20 来自：开发者社区

为什么使用了高防产品之后，源站IP仍然泄漏了，攻击者针对源站发起DDOS攻击，导致业务不可用？

业务配置和接入DDoS高防后，如果已经更换源站服务器的IP地址，仍然存在攻击绕过DDoS高防直接攻击源站的情况，说明源站IP地址仍然暴露。更换源站服务器的IP地址前，需要先消除了可能暴露源站IP的因素，避免源站IP更换后再次暴露。建议从以下方面进行排查：源站服务器上存在木马后门，攻击者可以通过木马主动外联获得源站IP，建议使用云安全中心检查和修复。源站服务器上存在没有接入DDoS高防的其他服务，....

文章 2022-02-17 来自：开发者社区

浅析高防云服务器是如何防御DDoS攻击?

　　浅析高防云服务器是如何防御DDoS攻击? 　　作为当前一种最常见的网络攻击方式，DDoS攻击导致很多企业用户的网站业务或主机/服务器深受其害。DDoS攻击也因其“破坏性较大、难以防范，且无法彻底根除”等特点，成为云计算服务、IDC、游戏、电商等多个行业的“公敌”。　　DDoS是英文全称“Distributed Denial of Service”的缩写，翻译成中文，意思是“分布式拒绝服务”....

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